Defender freezes on all my sites

Hi, I have installed Defender on about 10 of my websites, both single and multi sites. The sites are on 3 different shared servers: Hostway, Godaddy and M6. I ran the scan on all of them; none of them finished. The scan always freezes at various percentages.
Pls advise.

Is this happening on site where access is enabled or this is different one? I've tested scanning where access was enabled and it was working.
If I wasn't checking right site then please enable debug log on the one it doesn't work - this should show error that is preventing scanning from working. To enable it, open your wp-config.php file and look for define(‘WP_DEBUG’, false);. Change it to:

define('WP_DEBUG', true);

In order to enable the error logging to a file on the server you need to add yet one more similar line:

define( 'WP_DEBUG_LOG', true );

In this case the errors will be saved to a debug.log log file inside the /wp-content/directory.

Depending on whether you want your errors to be only logged or also displayed on the screen you should also have this line there, immediately after the line mentioned above:

define( 'WP_DEBUG_DISPLAY', false );

The wp-config.php is located in your WordPress root directory. It’s the same file where the database configuration settings are. You will have to access it by FTP or SFTP in order to edit it. I would need then to see contents of the debug.log file - so please paste it to the text file and attach to post or upload to service like dropbox and paste link here.

Hi Kasia, sorry for late reply but your plugins kept me quite busy as one site after the next crashed...! In addition one of my sites, with WP-Defender installed, got hacked today!

Anyway, I reinstalled that website and then tried to run a scan. I had installed the snippet define( 'WD_CHUNK_FILESIZE', true ); in wp-config but still it initialised forever, until I killed the process (BTW: Defender then gave me the cheerful message 'Congratulations! Everything is just fine. and: 0 issues found' even though the scan had not even taken place! Wouldn't it be better if the message would say 'Last scan didn't finish' or similar??? Just sayin'.

Thanks for the access (we usually see it granted to site that is related to the thread, so we can miss access to another site).
I can definitely see this issue on your site - does debug.log was generated maybe? If yes could you share here it content (use txt file to add it or upload it to dropbox like service and past here link). I will ping Hoang Ngo to check your site.

I have bumped up the execution time to 240secs and the memory is set to 1gig.

Tried uninstalling the plugin entirely to kill the process and I can't even uninstall. So I changed the folder name, then refreshed the plugin page, renamed it back. (this is the only way that I can start a new scan after past ones have paused.)

The site used to run fine with 128MB and 60sec of execution time. Any insight would be awesome. As I have a good 10 hours into this already. I have also allowed access to the site in the support tab.

Update: I network-deactivated the plugin, hoping this would stop the scan. Then I network-activated it again, went to the Defender dashboard - and immediately the scan started again, without staring it manually.

I checked your website, and could see that the scan is stuck. Could you please try increasing your memory_limit, and max_execution_time to a greater value, and check whether it works. You'll have to place the following code in your php.ini located in your root directory(location depends upon your host). For eg:

Got feedback from developer - to stop scan you need to first disable Automated Scans and then you will be able to cancel scan that is initializing. I did that on your site where access was enabled and stopped scan.
Please try this on your other sites and let me know how it goes.

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